A mirror site (also called a mirrored site) is
|“||[a] proxy server acting as a cache containing duplicated data from a central database so as to facilitate more economic and reliable access by local users.||”|
A mirror site
|“||is usually created by a system operator because the content it holds is very popular and it is accessed very frequently by a large number of users. In such a case, the user accessing the data may or may not know whether he is accessing the original site or the mirrored site. The updating of the mirrored site may happen automatically every time the original site is updated, or it may be done manually by the system operator of the mirror.||”|
- Bits of Power: Issues in Global Access to Scientific Data, Glossary, at 201.
- Approaches to Content on the Internet, at 16.